Folding humidifier



FIG. 1 is a top perspective view of a folding humidifier showing my new design;

FIG. 2 is another top perspective view thereof;

FIG. 3 is a bottom perspective view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a right side elevational view thereof;

FIG. 8 is a top plan view thereof;

FIG. 9 is a bottom plan view thereof;

FIG. 10 is a bottom perspective view where a seal cap is in an open state; and,

FIG. 11 is a top perspective view where the folding humidifier is fully folded.

The broken lines in the drawings depict portions of the folding humidifier that form no part of the claimed design. 

CLAIM The ornamental design for a folding humidifier, as shown and described. 